<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/vue/2.6.14/vue.js" type="application/javascript"></script>
</head>
<body>
  <div id="app">
    <my-component>
      <h3>标题</h3>
    </my-component>
  </div>
</body>
<script>
  // 什么插槽?
  // 用途:通过插槽传父组件的标签
  // 特征:父组件传标签(作为子组件标签题),子组件通过slot标签来接收
  // 弄懂什么是插槽最好的方式?-不用插槽
  Vue.component('my-component', {
    template: `
      <div>子组件
        <div><slot></slot></div>
      </div>
    `
  })
  let vm = new Vue({
    el: '#app'
  })
</script>
</html>
